221991588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67763}}^1$

素因数の和:67793

約数の個数: 72

約数和(自身を含む): 690650688

約数和(自身を除く): 468659100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 67763, 135526, 203289, 271052, 406578, 474341, 609867, 813156, 880919, 948682, 1219734, 1423023, 1761838, 1897364, 2439468, 2642757, 2846046, 3523676, 4269069, 5285514, 5692092, 6166433, 7928271, 8538138, 10571028, 12332866, 15856542, 17076276, 18499299, 24665732, 31713084, 36998598, 55497897, 73997196, 110995794, 221991588]

約数ペア:

[(1, 221991588), (2, 110995794), (3, 73997196), (4, 55497897), (6, 36998598), (7, 31713084), (9, 24665732), (12, 18499299), (13, 17076276), (14, 15856542), (18, 12332866), (21, 10571028), (26, 8538138), (28, 7928271), (36, 6166433), (39, 5692092), (42, 5285514), (52, 4269069), (63, 3523676), (78, 2846046), (84, 2642757), (91, 2439468), (117, 1897364), (126, 1761838), (156, 1423023), (182, 1219734), (234, 948682), (252, 880919), (273, 813156), (364, 609867), (468, 474341), (546, 406578), (819, 271052), (1092, 203289), (1638, 135526), (3276, 67763)]